How To Edit Permission for facebook in setting - ios

Question

- (void)viewDidLoad {
[super viewDidLoad];
if (NO == [SLComposeViewController isAvailableForServiceType: SLServiceTypeFacebook]) {
[self showAlert:#"There are no Facebook accounts configured. Please add or create a Facebook account in Settings."];
return;
}
[self getMyDetails];
// Do any additional setup after loading the view from its nib.
}
- (void) getMyDetails {
if (! accountStore) {
accountStore = [[ACAccountStore alloc] init];
}
if (! facebookAccountType) {
facebookAccountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierFacebook];
}
NSDictionary *options = #{ ACFacebookAppIdKey: [NSString stringWithFormat:#"1725978560966525"] };
[accountStore requestAccessToAccountsWithType: facebookAccountType
options: options
completion: ^(BOOL granted, NSError *error) {
if (granted)
{
NSArray *accounts = [accountStore accountsWithAccountType:facebookAccountType];
facebookAccount = [accounts lastObject];
NSURL *url = [NSURL URLWithString:#"https://graph.facebook.com/me"];
SLRequest *request = [SLRequest requestForServiceType:SLServiceTypeFacebook requestMethod:SLRequestMethodGET
URL:url
parameters:nil];
request.account = facebookAccount;
[request performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error) {
NSDictionary *responseDictionary = [NSJSONSerialization JSONObjectWithData:responseData
options:NSJSONReadingMutableContainers
error:nil];
NSLog(#"id: %#", responseDictionary[#"id"]);
NSLog(#"first_name: %#", responseDictionary[#"first_name"]);
NSLog(#"last_name: %#", responseDictionary[#"last_name"]);
NSLog(#"gender: %#", responseDictionary[#"gender"]);
NSLog(#"city: %#", responseDictionary[#"location"][#"name"]);
}];
} else {
[self showAlert:#"Facebook access for this app has been denied. Please edit Facebook permissions in Settings."];
}
}];
}
- (void) showAlert:(NSString*) msg {
dispatch_async(dispatch_get_main_queue(), ^(void) {
UIAlertView *alertView = [[UIAlertView alloc]
initWithTitle:#"WARNING"
message:msg
delegate:nil
cancelButtonTitle:#"OK"
otherButtonTitles:nil];
[alertView show];
});
}
i tried this for getting personal information of Facebook (Logged-in User), But it require permission, as i don't know where To add permissions, i have checked in setting, tried all thing in Simulator But Still Not getting.